2980131

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 5362560

約数和(自身を除く): 2382429

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 97, 133, 147, 209, 231, 291, 399, 539, 627, 679, 931, 1067, 1463, 1617, 1843, 2037, 2793, 3201, 4389, 4753, 5529, 7469, 10241, 12901, 14259, 20273, 22407, 30723, 38703, 52283, 60819, 90307, 141911, 156849, 270921, 425733, 993377, 2980131]

約数ペア:

[(1, 2980131), (3, 993377), (7, 425733), (11, 270921), (19, 156849), (21, 141911), (33, 90307), (49, 60819), (57, 52283), (77, 38703), (97, 30723), (133, 22407), (147, 20273), (209, 14259), (231, 12901), (291, 10241), (399, 7469), (539, 5529), (627, 4753), (679, 4389), (931, 3201), (1067, 2793), (1463, 2037), (1617, 1843)]